org.apache.slider.server.services.workflow

Class ServiceTerminatingRunnable

java.lang.Object

org.apache.slider.server.services.workflow.ServiceTerminatingRunnable

All Implemented Interfaces:

Runnable

public class ServiceTerminatingRunnable
extends Object
implements Runnable

A runnable which terminates its after running; it also catches any exception raised and can serve it back.

Constructor Summary

Constructors

Constructor and Description
ServiceTerminatingRunnable(org.apache.hadoop.service.Service owner, Runnable action) Create an instance

Method Summary

Methods

Modifier and Type	Method and Description
Exception	getException() Any exception raised by inner action's run.
org.apache.hadoop.service.Service	getOwner() Get the owning service
void	run()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ServiceTerminatingRunnable

public ServiceTerminatingRunnable(org.apache.hadoop.service.Service owner,
                          Runnable action)

Create an instance

Parameters:

owner - owning service

action - action to execute before terminating the service

Method Detail

getOwner

public org.apache.hadoop.service.Service getOwner()

Get the owning service

Returns:

the service to receive notification when the runnable completes.

getException

public Exception getException()

Any exception raised by inner action's run.

Returns:

an exception or null.

run

public void run()

Specified by:

run in interface Runnable